|Workbench Release 1.3.1, version 34.25 (Kickstart version 34.5)|
Release date: 1990; however, this was a developer-only update.
Shipped with: Some people who bought an Amiga 500 may have received this update with their purchase.
Media: New software only
Official list of changes.
|Hidden messages: (Same as Workbench 1.3)|